SL Green Realty Corp., Manhattan's largest office landlord, is a fully integrated real estate investment trust, or REIT, that is focused primarily on acquiring, managing and maximizing the value of Manhattan commercial properties. As of June 30, 2026, the Company held interests in 54 buildings totaling 30.6 million square feet, which included ownership interests in 29.2 million square feet and 1.4 million square feet securing debt and preferred equity investments, excluding fund investments, and managed 4 b ...